Do you know that serial killer Jeffrey Dahmer (who killed seventeen men and boys) is now in heaven for accepting Jesus as his Lord and Saviour before being beaten to death on November 28, 1994 by Christopher Scarver, a fellow inmate at the Columbia Correctional Institution in Portage, Wisconsin.
While Carl Sagan (an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator.) is now burning in hell fire for being an agnostic. He didn't accept Jesus as Lord and Savior when he died on December 20, 1996 due to pneumonia.
Note: According to their doctrine, when a sinner accepted Jesus before dying, he automatically gets a "Get out of Jail" card. Sorry for the pun, but seriously it's just accepting Jesus, and all your sins are washed away. Anyone who didn't believe in Jesus is damn in hell. (See: John 14:6 ) except for those characters in the Old Testament. As Christian philosopher Raymond D. Bradley in a debate with fellow Christian philosopher William Lane Craig said, "Neither good works nor generous donations will get you there. The legions of the damned, according to Jesus, include all those who don't have the right belief, the belief that he, Jesus, is Lord and Savior. In short, those who will be sent to hell include all those who, as the evangelicals put it, have not been born again. "
So looking at this doctrine we can say that even serial killers get to heaven as long as they accepted Jesus as Lord and Savior before they die. In the case of Dahmer - Dahmer becomes a born-again Christian in prison, eight months before he was murdered by fellow prisoner Christopher Scarver.